<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<!-- 方式四：自定义构造函数模式
		  套路：自定义构造函数，通过new创建对象
		  适用场景：需要创建多个类型确定的对象
		  问题：每个对象都有相同的数据，浪费内存 -->
		  
		<script type="text/javascript">
			// 定义类型
			function Person(name, age){
				this.name = name
				this.age = age
				this.setName = function (name) {
					this.name = name
				}
			}
			var p1 = new Person('Tom', 12)
			p1.setName('Jack')
			console.log(p1.name, p1.age)
			console.log(p1 instanceof Person)
			
			function Student(name, price) {
				this.name = name
				this.price = price
			}
			var s = new Student('Bob', 13000)
			console.log(s instanceof Student)
			
			var p2 = new Person('JACK', 23)
			console.log(p1, p2)
			
		</script>
	</body>
</html>
